Add support for 'tree' hooks in the plugin architecture.

aggregates.php

@@ -418,7 +418,7 @@ function doTree() {
 			)
 		);
 
-		$misc->printTreeXML($aggregates, $attrs);
+		$misc->printTree($aggregates, $attrs, 'aggregates');
 		exit;
 	}
 

all_db.php

@@ -488,7 +488,7 @@ function doTree() {
 						),
 		);
 
-		$misc->printTreeXML($databases, $attrs);
+		$misc->printTree($databases, $attrs, 'databases');
 		exit;
 	}
 

casts.php

@@ -80,7 +80,7 @@ function doTree() {
 			'icon'   => 'Cast'
 		);
 
-		$misc->printTreeXML($casts, $attrs);
+		$misc->printTree($casts, $attrs, 'casts');
 		exit;
 	}
 

classes/Misc.php

@@ -1994,24 +1994,55 @@ function printTable(&$tabledata, &$columns, &$actions, $place, $nodata = null, $
 		 *        'branch' - URL for child nodes (tree XML)
 		 *        'expand' - the action to return XML for the subtree
 		 *        'nodata' - message to display when node has no children
-		 *        'nohead' - suppress headers and opening <tree> tag
-		 *        'nofoot' - suppress closing </tree> tag
+		 * @param $section The section where the branch is linked in the tree
+		 */
+		function printTree(&$_treedata, &$attrs, $section) {
+			global $plugin_manager;
+
+			$treedata = array();
+
+			if ($_treedata->recordCount() > 0) {
+				while (!$_treedata->EOF) {
+					$treedata[] = $_treedata->fields;
+					$_treedata->moveNext();
+				}
+			}
+
+			$plugin_functions_parameters = array(
+				'treedata' => &$treedata,
+				'attrs' => &$attrs,
+				'section' => $section
+			);
+			$plugin_manager->do_hook('tree', $plugin_functions_parameters);
+
+			$this->printTreeXML($treedata, $attrs);
+		}
+
+		/** Produce XML data for the browser tree
+		 * @param $treedata A set of records to populate the tree.
+		 * @param $attrs Attributes for tree items
+		 *        'text' - the text for the tree node
+		 *        'icon' - an icon for node
+		 *        'openIcon' - an alternative icon when the node is expanded
+		 *        'toolTip' - tool tip text for the node
+		 *        'action' - URL to visit when single clicking the node
+		 *        'iconAction' - URL to visit when single clicking the icon node
+		 *        'branch' - URL for child nodes (tree XML)
+		 *        'expand' - the action to return XML for the subtree
+		 *        'nodata' - message to display when node has no children
 		 */
 		function printTreeXML(&$treedata, &$attrs) {
 			global $conf, $lang;
 
-			if (!isset($attrs['nohead']) || $attrs['nohead'] === false) {
-				header("Content-Type: text/xml; charset=UTF-8");
-				header("Cache-Control: no-cache");
+			header("Content-Type: text/xml; charset=UTF-8");
+			header("Cache-Control: no-cache");
 
-				echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+			echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
 
-				echo "<tree>\n";
-			}
+			echo "<tree>\n";
 
-			if ($treedata->recordCount() > 0) {
-				while (!$treedata->EOF) {
-					$rec =& $treedata->fields;
+			if (count($treedata) > 0) {
+				foreach($treedata as $rec) {
 
 					echo "<tree";
 					echo value_xml_attr('text', $attrs['text'], $rec);
@@ -2030,17 +2061,13 @@ function printTreeXML(&$treedata, &$attrs) {
 					echo value_xml_attr('tooltip', $attrs['toolTip'], $rec);
 
 					echo " />\n";
-
-					$treedata->moveNext();
 				}
 			} else {
 				$msg = isset($attrs['nodata']) ? $attrs['nodata'] : $lang['strnoobjects'];
 				echo "<tree text=\"{$msg}\" onaction=\"tree.getSelected().getParent().reload()\" icon=\"", $this->icon('ObjectNotFound'), "\" />\n";
 			}
 
-			if (!isset($attrs['nofoot']) || $attrs['nofoot'] === false) {
-				echo "</tree>\n";
-			}
+			echo "</tree>\n";
 		}
 
 		function adjustTabsForTree(&$tabs) {

classes/PluginManager.php

@@ -10,7 +10,14 @@ class PluginManager {
 	 * Attributes
 	 */
 	private $plugins_list = array();
-	private $available_hooks = array('toplinks', 'tabs', 'trail', 'navlinks', 'actionbuttons' /* wip, more hooks to come in next commits */);
+	private $available_hooks = array(
+		'toplinks',
+		'tabs',
+		'trail',
+		'navlinks',
+		'actionbuttons',
+		'tree'
+	);
 	private $actions = array();
 	private $hooks = array();
 

constraints.php

@@ -572,7 +572,7 @@ function getIcon($f) {
 			'icon'   => callback('getIcon'),
 		);
 
-		$misc->printTreeXML($constraints, $attrs);
+		$misc->printTree($constraints, $attrs, 'constraints');
 		exit;
 	}
 

conversions.php

@@ -68,7 +68,7 @@ function doTree() {
 			'toolTip'=> field('concomment')
 		);
 
-		$misc->printTreeXML($conversions, $attrs);
+		$misc->printTree($conversions, $attrs, 'conversions');
 		exit;
 	}
 

database.php

@@ -630,7 +630,7 @@ function doTree() {
 						),
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, 'database');
 
 		exit;
 	}

domains.php

@@ -531,7 +531,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($domains, $attrs);
+		$misc->printTree($domains, $attrs, 'domains');
 		exit;
 	}
 

fulltext.php

@@ -997,7 +997,7 @@ function doTree() {
 			),
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, 'fts');
 
 		exit;
 	}
@@ -1044,7 +1044,7 @@ function doSubTree($what) {
 			),
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, strtolower($what));
 		exit;
 	}
 

functions.php

@@ -966,7 +966,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($funcs, $attrs);
+		$misc->printTree($funcs, $attrs, 'functions');
 		exit;
 	}
 

indexes.php

@@ -374,7 +374,7 @@ function getIcon($f) {
 			'icon'   => callback('getIcon'),
 		);
 
-		$misc->printTreeXML($indexes, $attrs);
+		$misc->printTree($indexes, $attrs, 'indexes');
 		exit;
 	}
 

languages.php

@@ -59,7 +59,7 @@ function doTree() {
 			'icon'   => 'Language'
 		);
 
-		$misc->printTreeXML($languages, $attrs);
+		$misc->printTree($languages, $attrs, 'languages');
 		exit;
 	}
 

opclasses.php

@@ -71,7 +71,7 @@ function doTree() {
 			'toolTip'=> field('opccomment'),
 		);
 
-		$misc->printTreeXML($opclasses, $attrs);
+		$misc->printTree($opclasses, $attrs, 'opclasses');
 		exit;
 	}
 

operators.php

@@ -211,7 +211,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($operators, $attrs);
+		$misc->printTree($operators, $attrs, 'operators');
 		exit;
 	}
 

rules.php

@@ -197,7 +197,7 @@ function doTree() {
 			'icon'   => 'Rule',
 		);
 
-		$misc->printTreeXML($rules, $attrs);
+		$misc->printTree($rules, $attrs, 'rules');
 		exit;
 	}
 

schemas.php

@@ -414,7 +414,7 @@ function doTree() {
 						),
 		);
 
-		$misc->printTreeXML($schemas, $attrs);
+		$misc->printTree($schemas, $attrs, 'schemas');
 
 		exit;
 	}
@@ -442,7 +442,7 @@ function doSubTree() {
 						)
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, 'schema');
 		exit;
 	}
 

sequences.php

@@ -132,7 +132,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($sequences, $attrs);
+		$misc->printTree($sequences, $attrs, 'sequences');
 		exit;
 	}
 

servers.php

@@ -148,11 +148,15 @@ function doTree() {
 			'branch' => field('branch'),
 		);
 
-		$misc->printTreeXML($nodes, $attrs);
+		$misc->printTree($servers, $attrs, 'servers');
 		exit;
 	}
 
-	if ($action == 'tree') doTree();
+
+	if ($action == 'tree') {
+		if (isset($_GET['group'])) doTree($_GET['group']);
+		else doTree(false);
+	}
 
 	$misc->printHeader($lang['strservers']);
 	$misc->printBody();

tables.php

@@ -960,7 +960,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($tables, $attrs);
+		$misc->printTree($tables, $attrs, 'tables');
 		exit;
 	}
 
@@ -992,7 +992,7 @@ function doSubTree() {
 			),
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, 'table');
 		exit;
 	}
 

tblproperties.php

@@ -425,7 +425,7 @@ function doTree() {
 			'toolTip'=> field('comment')
 		);
 
-		$misc->printTreeXML($columns, $attrs);
+		$misc->printTree($columns, $attrs, 'tblcolumns');
 
 		exit;
 	}

triggers.php

@@ -393,7 +393,7 @@ function doTree() {
 			'icon'   => 'Trigger',
 		);
 
-		$misc->printTreeXML($triggers, $attrs);
+		$misc->printTree($triggers, $attrs, 'triggers');
 		exit;
 	}
 

types.php

@@ -669,7 +669,7 @@ function doTree() {
 						)
 		);
 
-		$misc->printTreeXML($types, $attrs);
+		$misc->printTree($types, $attrs, 'types');
 		exit;
 	}
 

viewproperties.php

@@ -376,7 +376,7 @@ function doTree () {
 			'toolTip'=> field('comment')
 		);
 
-		$misc->printTreeXML($columns, $attrs);
+		$misc->printTree($columns, $attrs, 'viewcolumns');
 
 		exit;
 	}

views.php

@@ -705,7 +705,7 @@ function doTree() {
 			)
 		);
 
-		$misc->printTreeXML($views, $attrs);
+		$misc->printTree($views, $attrs, 'views');
 		exit;
 	}
 
@@ -730,7 +730,7 @@ function doSubTree() {
 			),
 		);
 
-		$misc->printTreeXML($items, $attrs);
+		$misc->printTree($items, $attrs, 'view');
 		exit;
 	}